EP1677918B1 - Maschinenlesbare daten verwendendes heisschmelzklebstoffsystem und -verfahren - Google Patents

Maschinenlesbare daten verwendendes heisschmelzklebstoffsystem und -verfahren Download PDF

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Publication number
EP1677918B1
EP1677918B1 EP04818594A EP04818594A EP1677918B1 EP 1677918 B1 EP1677918 B1 EP 1677918B1 EP 04818594 A EP04818594 A EP 04818594A EP 04818594 A EP04818594 A EP 04818594A EP 1677918 B1 EP1677918 B1 EP 1677918B1
Authority
EP
European Patent Office
Prior art keywords
hot melt
melt adhesive
information
controller
condition
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
EP04818594A
Other languages
English (en)
French (fr)
Other versions
EP1677918A2 (de
Inventor
Rick Pallante
John M. Raterman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nordson Corp
Original Assignee
Nordson Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nordson Corp filed Critical Nordson Corp
Publication of EP1677918A2 publication Critical patent/EP1677918A2/de
Application granted granted Critical
Publication of EP1677918B1 publication Critical patent/EP1677918B1/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
    • B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
    • B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B05C11/1042—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material provided with means for heating or cooling the liquid or other fluent material in the supplying means upstream of the applying apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/31—From computer integrated manufacturing till monitoring
    • G05B2219/31304—Identification of workpiece and data for control, inspection, safety, calibration
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/45—Nc applications
    • G05B2219/45238—Tape, fiber, glue, material dispensing in layers, beads, filling, sealing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Definitions

  • the present invention pertains to dispensing systems for dispensing flowable material, and more particularly to hot melt adhesive dispensing systems.
  • Hot melt adhesive dispensing systems generally include a dispenser coupled with one or more dispensing guns, heated hoses fluidly connected to the guns, and a melting unit for melting and supplying heated liquid adhesive to the guns through the heated hoses.
  • the melting units of conventional hot melt adhesive systems typically include a tank, a heater, a pump, a pump manifold, and a controller.
  • the heater is generally located in a base of the tank for melting and heating adhesive material received into the tank in solid or semi-solid form.
  • the pump manifold has an inlet connected to the tank and has multiple outlet ports adapted for connection to the heated hoses.
  • a pump operatively coupled to the tank and the pump manifold pumps liquid adhesive from the tank, through the pump manifold and heated hoses to the dispensing guns.
  • the guns are connected to their own manifold.
  • the controller controls the power supplied to the tank heater and heated hoses to maintain the liquid adhesive at an appropriate viscosity and temperature, depending on the application.
  • the controller is also used to control many other operations of the system.
  • system conditions such as adhesive application temperature, set back temperature, and over-temperature conditions should be set in the controller. If the system parameters are incorrectly set, various problems can arise such as overheating and charring of the adhesive, or underheating of the adhesive which could result in operational problems and adhesive bonding problems.
  • Various other conditions may need to be set to establish a proper dispensing cycle. For example, there will be a delay time between when the system is turned on and the time that actual dispensing can take place.
  • the present invention generally relates to a hot melt adhesive system including a melting unit and a controller coupled to a suitable machine reading unit which can wirelessly receive information from a machine readable element and communicate that information to the controller.
  • the melting unit is configured to liquify a bulk form of hot melt adhesive and deliver the liquified hot melt adhesive to an application location.
  • the controller establishes and verifies at least one system condition and the information received from the machine reading unit is used by the controller to verify and establish the system condition.
  • the machine reading unit may take the form of a bar code reader or magnetic strip reader, however any other machine readable element and appropriate device for reading the element may be used.
  • the system condition or conditions which are established based on the information received by the machine reading unit can, for example, include the application temperature of the hot melt adhesive, an over-temperature condition of the hot melt adhesive, a set-back temperature of the adhesive, or other conditions, such as warnings or parameters associated with a system flushing operation.
  • the invention further provides a method of operating said hot melt adhesive system having a controller operating a melting unit.
  • the method indudes wirelessly scanning information on at least one system condition into the controller from a machine readable element, and using the scanned information during operation of the melting unit.
  • Using the scanned information can further comprise setting appropriate temperature conditions, warning conditions, system flushing parameters.
  • Other uses involve collecting information such as adhesive identification information or information indicating the amount of adhesive processed by the melting unit. Any information of the type used in carrying out this invention may also be logged into a database for various diagnostic or analytical purposes.
  • the information is located directly on the container in which the bulk hot melt adhesive typically is packaged. This may involve, for example, a bar code or other machine readable element affixed to or forming part of the container. A conventional bar code scanner, magnetic strip scanner, or other device may be used which is appropriate for the machine readable element.
  • Various advantages are realized from this invention, including the ability to quickly and positively download any necessary system parameters associated with a particular system operational procedure or type of adhesive.
  • the parameters for each type of adhesive may be contained on the machine readable element associated with the bulk container of the adhesive which is then scanned or read in just prior to system operation as opposed to relying on the operator to input such information manually.
  • Various system warnings may alert personnel if the type of adhesive is changed during a manufacturing operation, or if the settings are different than those recommended by the adhesive manufacturer. By scanning or reading wirelessly adhesive information, such as lot numbers, into the controller, a defective lot of adhesive may be more easily identified. If each bulk container is scanned or read, then the amount of adhesive used in a given time period may be determined and tracked. Any or all information can be logged into a database for purposes such as verifying that all adhesive types are being applied under the proper conditions.
  • a hot melt adhesive system 10 includes a pair of adhesive guns 12, 14, a dispensing unit 16 for supplying adhesive 18 to the guns 12, 14, and heated hoses 20 connecting the dispensing unit 16 to the guns 12, 14.
  • Cord sets 21 are used to heat and control the temperature of hoses 20 in a known manner.
  • the dispensing unit 16 includes a tank 22 for receiving and melting hot melt adhesive 18, a manifold 24 in fluid communication with the tank 22, a pump 26 constructed according to the principles of the present invention and coupled to the manifold 24, and a controller 28.
  • the tank 22 comprises side walls 30 and base 32 which includes a tank heater 34 for melting and heating the adhesive material 18 in the tank 22.
  • a tank outlet 36 proximate the base 32 is coupled to a passage 38 which connects to an inlet 40 of the manifold 24.
  • the manifold 24 is located adjacent the tank 22 and includes a manifold heater 42 that is separate from the tank heater 34 and which may be independently controlled by the controller 28.
  • Pump 26 is coupled to the manifold 24 and pumps liquid adhesive 18 from the tank 22, through a filter (not shown) removably disposed within the pump 26, and into the manifold 24.
  • the manifold 24 splits the adhesive 18 into separate flows 46 and directs the flows 46 to a plurality of outlet ports 48.
  • the plurality of outlet ports 48 are configured to be coupled to the heated hoses 20 whereby the liquid adhesive 18 is supplied to the guns 12, 14.
  • the guns 12, 14 may be mounted to a frame 50 and include one or more adhesive dispensing modules52 which apply the adhesive 18 to a desired product (not shown). Modules 52 may be coupled to their own manifolds 54 for supplying adhesive, actuating air and process air thereto.
  • the hot melt adhesive system 10 illustrates two gun manifolds 54 each supplied by a single hose 20, however, a second hose 20 is shown on each side of system 10 and may supply additional gun manifolds (not shown) located respectively behind manifolds 54.
  • Other hot melt systems may have a single gun, or may have other guns and the guns and other components of the system may take on many different configurations, according to the particular adhesive dispensing requirements without departing from the scope of the present invention.
  • a bar code reader or scanner 62 is coupled to the controller 28 and is operable to read a conventional bar code label 64 which may, for example, be affixed to a bulk container 66 of hot melt adhesive.
  • the scanner or reader 62 may be hand held as shown, or may be fixed in place such that the container 66 may be brought within sufficient proximity to enable reading of the bar code 64a.
  • the bar code reader 62 is capable of receiving information from the bar code 64a and communicating that information to the controller 28 for use in establishing and/or verifying various system parameters or conditions. Typically these conditions, such as adhesive application temperature, over temperature, setback temperature, as well as other setup conditions are inputted into the controller 28 through various methods.
  • control pads may be entered manually through a control pad, as is conventional, or they may be entered via a remote computer or other electronic device via any number of ways including, but not limited to, the Internet, an intranet, infrared devices, other wireless devices, memory cards, etc.
  • Other conditions may also be set based on information contained on the label 64 or other machine readable element.
  • various dispensing cycle parameters may be set or verified relative to cycle times, on/off or dispensing time delays, etc. This includes various system warnings, adhesive information, and other data collection which may be used for diagnostic or analytical purposes.
  • the information obtained from the label 64 or machine readable element is electrically transmitted to the control 28 via a cable 68 which may comprise a conventional programmable logic controller (PLC) or other microprocessor based control system configured to communicate with the bar code reader 62.
  • Element 64 could instead be an embedded electronic chip which is readable via a portable wand or other reading device, or which is read upon coming into proximity with such a reader which is part of system 10, such as within controller 28.
  • one of many alternative types of machine readable elements and scanners may comprise a suitable card 70 having a magnetic strip 70a and a scanner or reader 72 configured to receive the information from the magnetic strip 70a.
  • the machine readable element in this case being a card with a magnetic strip 70, may be separable and/or independent of the container 66 of hot melt adhesive.
  • an operator may be supplied with a card 70 detachable from the hot melt adhesive container 66, or the card 70 may be chosen by the operator from a set of cards at the system workstation based on the set of parameters desired, for example, related to a particular type of adhesive.
  • the card 70 may transmit information to the control 28 in manners such as those described above with respect to Fig. 1 .
  • Fig. 2 All other components shown in Fig. 2 have like reference numerals and thus have been described in connection with Fig. 1 as well.
  • the present invention may be implemented using many other types of machine readable elements including, but not limited to, other elements which rely on any wireless communication technology, such as radio frequency (RF) technology (such as RFID tags or transponders), WiFi technology and magnetic devices of various types.
  • RF radio frequency
  • the present invention may be used in many different manners to improve the operation of a hot melt adhesive dispensing system.
  • scanning i.e., transmitting
  • the particular operational parameters corresponding to that adhesive may be automatically downloaded into the system controller 28. This minimizes the possibility of error in the system operational parameters.
  • process conditions can be verified with the operator before operation of the system. For example, if a container is scanned and is providing different information from the previously scanned container, the control system can prompt the operator to confirm that the change in adhesive is desired. This ensures that an incorrect adhesive is not inadvertently used in the middle of a manufacturing operation potentially resulting in system downtime and product scrap.
  • the system controller can track whether settings different from those recommended by an adhesive manufacturer are being used during operation of the system 10 to assist with diagnosing maintenance or other problems with the system 10.
  • scanning a machine readable element with system flushing information can adjust the controller settings appropriate to the system flush procedure.
  • rescanning the adhesive container label or other machine readable element associated with the particular hot melt adhesive will return the controller 28 to the hot melt adhesive application settings.
  • the controller 28 can also receive information appropriate to tracking the amount and type of adhesive being used in system 10. This can aid in determining whether a particular lot or batch of adhesive was defective and track use of the system 10 for purposes of scheduling appropriate maintenance. Logging of application data can provide confirmation and certification that the adhesive is being applied under the appropriate settings.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Labeling Devices (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)

Claims (17)

  1. Heißschmelzklebersystem (10)
    mit einer Schmelzeinheit (22), die dazu ausgebildet ist, eine Heißschmelzklebermasse zu verflüssigen und diesen verflüssigten Heißschmelzkleber einem Aufbringungsort (12, 14) zuzuführen, wobei die Schmelzeinheit eine Steuerung (28) zum Einrichten und Verifizieren mindestens eines Systemzustands und eine mit der Steuerung (28) gekoppelte Maschinenleseeinheit (62) aufweist,
    dadurch gekennzeichnet, dass die Maschinenleseeinheit (62) in der Lage ist, von einem maschinenlesbaren Element (64) Information drahtlos zu empfangen, die sich auf einen abzugebenden Heißschmelzkleber bezieht, und die Information an die Steuerung (28) zum Einrichten und Verifizieren des Systemzustands zu übertragen.
  2. Heißschmelzklebersystem nach Anspruch 1, dadurch gekennzeichnet, dass die Maschinenleseeinheit (62) darüber hinaus mindestens eine der folgenden Einheiten einschließt:
    a) einen Barcodeleser,
    b) einen Magnetstreifenleser oder
    c) einen HF-Leser.
  3. Heißschmelzklebersystem nach Anspruch 1, dadurch gekennzeichnet,
    dass der Systemzustand mindestens einen der folgenden Zustände einschließt:
    a) eine Aufbringtemperatur des Heißschmelzklebers,
    b) einen Übertemperaturzustand des Heißschmelzklebers,
    c) einen Rückstelltemperaturzustand des Heißschmelzklebers,
    d) eine dem Betrieb des Systems zugeordnete Warnung oder
    e) einen Spülvorgang des Systems.
  4. Verfahren zum Betrieb des Heißschmelzklebersystem nach Anspruch 1, gekennzeichnet durch das drahtlose Empfangen von Information bezüglich mindestens eines Systemzustands in die Steuerung (28) von dem maschinenlesbaren Element vor dem Betrieb des Systems und Benutzen der Abtastinformation während des Betriebs der Schmelzeinheit.
  5. Verfahren nach Anspruch 4, dadurch gekennzeichnet, dass die Benutzung der Abtastinformation darüber hinaus mindestens einen der folgenden Vorgänge einschließt:
    a) Einstellen einer Zuführtemperatur des Heißschmelzklebers,
    b) Einstellen eines Übertemperaturzustands des Heißschmelzklebers,
    c) Einrichten und/oder Verifizieren einer Rückstelltemperatur des Heißschmelzklebers,
    d) Einstellen eines Warnungszustands in der Steuerung (28),
    e) Einstellen eines Systemspülzustands in der Steuerung (28),
    f) Abtasten von Information, die den in der Schmelzeinheit verarbeiteten Heißschmelzkleber identifiziert,
    g) Bestimmen einer Menge des in der Schmelzeinheit verarbeiteten Heißschmelzklebers.
  6. Verfahren nach Anspruch 4, weiter gekennzeichnet durch Aufzeichnen der Abtastinformation in einer Datenbasis.
  7. Verfahren nach Anspruch 4, dadurch gekennzeichnet, dass die Abtastinformation darüber hinaus eine auf einem Behälter des Heißschmelzklebers befindliche Abtastinformation einschließt.
  8. Verfahren nach Anspruch 4, dadurch gekennzeichnet, dass die Abtastinformation darüber hinaus das Lesen der Information von einem magnetischen Element einschließt.
  9. Verfahren nach Anspruch 4, dadurch gekennzeichnet, dass die Abtastinformation darüber hinaus das Lesen der Information von einem Barcode einschließt.
  10. Verfahren nach Anspruch 4, dadurch gekennzeichnet, dass die Abtastinformation darüber hinaus das Lesen der Information von einem HF-Transponder einschließt.
  11. Verfahren nach Anspruch 10, gekennzeichnet durch drahtloses Empfangen von Information von einem maschinenlesbaren Element bezüglich eines Heißschmelzklebers, der vor dem Systembetrieb ausgegeben werden soll,
    Benutzen der empfangenen Information, um einen Systemzustand des Heißschmelzkleberabgabesystems einzustellen, und
    Betreiben des Heißschmelzkleberabgabesystems gemäß dem Systemzustand, um den Heißschmelzkleber abzugeben.
  12. Verfahren nach Anspruch 11, dadurch gekennzeichnet, dass die Information von einem Behälter des Heißschmelzklebers empfangen wird.
  13. Verfahren nach Anspruch 11, gekennzeichnet durch mindestens einen der folgenden Vorgänge:
    a) optisches Empfangen der Information von dem maschinenlesbaren Element,
    b) magnetisches Empfangen der Information von dem maschinenlesbaren Element,
    c) Empfangen der Information durch ein Funksignal.
  14. Verfahren nach Anspruch 11, weiter gekennzeichnet durch Empfangen der Information von einem elektronischen Chip.
  15. Verfahren nach Anspruch 14, dadurch gekennzeichnet, dass der elektronische Chip auf einem Behälter des Heißschmelzklebers angeordnet ist.
  16. Verfahren nach Anspruch 15, weiter gekennzeichnet durch Empfangen der Information von dem elektronischen Chip mittels einer transportablen Maschinenleseeinheit (62).
  17. Verfahren nach Anspruch 15, weiter gekennzeichnet durch automatisches Empfangen der Information von dem elektronischen Chip, wenn der Behälter des Heißschmelzklebers in die Nähe des Heißschmelzklebersystems kommt.
EP04818594A 2003-10-31 2004-10-14 Maschinenlesbare daten verwendendes heisschmelzklebstoffsystem und -verfahren Expired - Fee Related EP1677918B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/699,404 US20050095359A1 (en) 2003-10-31 2003-10-31 Hot melt adhesive system and method using machine readable information
PCT/US2004/033840 WO2005046884A2 (en) 2003-10-31 2004-10-14 Hot melt adhesive system and method using machine readable information

Publications (2)

Publication Number Publication Date
EP1677918A2 EP1677918A2 (de) 2006-07-12
EP1677918B1 true EP1677918B1 (de) 2008-12-24

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EP04818594A Expired - Fee Related EP1677918B1 (de) 2003-10-31 2004-10-14 Maschinenlesbare daten verwendendes heisschmelzklebstoffsystem und -verfahren

Country Status (7)

Country Link
US (4) US20050095359A1 (de)
EP (1) EP1677918B1 (de)
JP (1) JP4713488B2 (de)
CN (1) CN100464874C (de)
DE (1) DE602004018668D1 (de)
ES (1) ES2315741T3 (de)
WO (1) WO2005046884A2 (de)

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EP2724783B2 (de) † 2012-10-25 2024-01-03 Nordson Corporation Abgabesystem und Verfahren zur Überwachung von Betätigungssignalen für die Diagnostik

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CN1871075A (zh) 2006-11-29
WO2005046884A2 (en) 2005-05-26
ES2315741T3 (es) 2009-04-01
CN100464874C (zh) 2009-03-04
US20140312070A1 (en) 2014-10-23
JP4713488B2 (ja) 2011-06-29
US8784935B2 (en) 2014-07-22
US20120160868A1 (en) 2012-06-28
EP1677918A2 (de) 2006-07-12
US8137745B2 (en) 2012-03-20
DE602004018668D1 (de) 2009-02-05
US20100203230A1 (en) 2010-08-12
JP2007509744A (ja) 2007-04-19
US20050095359A1 (en) 2005-05-05
WO2005046884A3 (en) 2005-08-11

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